Vulnerability Database

317,107

Total vulnerabilities in the database

CVE-2020-9857

An issue existed in the parsing of URLs. This issue was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.5, Security Update 2020-003 Mojave, Security Update 2020-003 High Sierra. A malicious website may be able to exfiltrate autofilled data in Safari.

  • Published: Oct 27, 2020
  • Updated: Nov 16, 2025
  • CVE: CVE-2020-9857
  • Severity: Low
  • Exploit:

CVSS v3:

  • Severity: Low
  • Score: 4.3
  • AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

CVSS v2:

  • Severity: Low
  • Score: 4.3
  • AV:N/AC:M/Au:N/C:P/I:N/A:N

No CWE or OWASP classifications available.

Software From Fixed in
apple / mac_os_x - 10.15.5